import java.sql.*;
public class Example11_4 {
    public static void main(String args[]) {
        Connection con;
        Statement sql;
        ResultSet rs;
        con = GetDBConnection.connectDB("students","root","sunxiaoxuan001");
        if(con == null ) return;
        String jiLu="('R11','将三','2000-10-23',1.66),"+
                    "('R10','李武','1989-10-23',1.76)";    //2条记录
        String sqlStr ="insert into mess values"+jiLu;
        String sql1 = "delete from mess where number = 'R1001'";
        try {
            sql=con.createStatement();
            int ok = sql.executeUpdate(sqlStr);
            rs = sql.executeQuery("select * from mess");
            while(rs.next()) {
                String number=rs.getString(1);
                String name=rs.getString(2);
                Date date=rs.getDate(3);
                float height=rs.getFloat(4);
                System.out.printf("%s\t",number);
                System.out.printf("%s\t",name);
                System.out.printf("%s\t",date);
                System.out.printf("%.2f\n",height);
            }
            con.close();
        }
        catch(SQLException e) {
            System.out.println("记录中number值不能重复"+e);
        }
    }
}
